Kriss the preferred method is to use two coax runs and an A/B switch.
Amazon.com : Radio Shack, Remote Control A/B Switch for 75 ohm Coax. : Audio Video Selectors : Electronics The remote control switches are getting more difficult to find. The Radio Shack one is on close out. The one that was sold by MCM Electronics is discontinued. These are not hard to find. Amazon.com : C2G / Cables to Go 41015 High Isolation AB Switch : Video Signal A B Switches : Electronics
http://www.amazon.com/RCA-VH71-Slid...d_sim_e_4?ie=UTF8&refRID=11DJZCGTEFNPZ7R9EKZ3
Other methods will probably cause problems with signal loss and muti-path. I've read about using separate amplifiers ahead of the combiner. You would have to work out the power supply details on that one and it could still create multi-path problems.
Amazon.com : Radio Shack, Remote Control A/B Switch for 75 ohm Coax. : Audio Video Selectors : Electronics The remote control switches are getting more difficult to find. The Radio Shack one is on close out. The one that was sold by MCM Electronics is discontinued. These are not hard to find. Amazon.com : C2G / Cables to Go 41015 High Isolation AB Switch : Video Signal A B Switches : Electronics
http://www.amazon.com/RCA-VH71-Slid...d_sim_e_4?ie=UTF8&refRID=11DJZCGTEFNPZ7R9EKZ3
Other methods will probably cause problems with signal loss and muti-path. I've read about using separate amplifiers ahead of the combiner. You would have to work out the power supply details on that one and it could still create multi-path problems.
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